1. National Aeronautics and Space Administration (2013) Composite cryotank technologies & demonstration. NASA facts, FS-2013-07-206-LaRC. Available on the web at: https://gcd.larc.nasa.gov/wp-content/uploads/2013/07/FS_CCTD_factsheet.pdf
2. Office of the Chief Technologist, National Aeronautics and Space Administration (2015) Composite cryogenic technologies and demonstration project. Available on the web at: http://www.nasa.gov/offices/oct/stp/game_changing_development/composite-cryotank.html
3. Landman T (2015) NASA puts composite cryotank through its paces. Spaceflight Insider, September 2, 2014. Available on the web at: http://www.spaceflightinsider.com/organizations/nasa/nasa-puts-composite-cryotank-paces/
4. National Aeronautics and Space Administration (2014) Space launch system. NASA facts, FS-2014-08-123-MSFC G-51857. Available on the web at: http://www.nasa.gov/sites/default/files/files/SLS-Fact-Sheet_aug2014-finalv3.pdf
5. Goetz R, Ryan R, Whitaker AF (2000) Failure report of the X-33 liquid hydrogen tank test investigation team. NASA Marshall Space Flight Center, Huntsville